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A138408 a(n) = (n-th prime)^6-(n-th prime). 14
62, 726, 15620, 117642, 1771550, 4826796, 24137552, 47045862, 148035866, 594823292, 887503650, 2565726372, 4750104200, 6321363006, 10779215282, 22164361076, 42180533582, 51520374300, 90458382102, 128100283850 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Differences p^k-p^m such that k > m:

p^2-p is given in A036689

p^3-p is given in A127917

p^3-p^2 is given in A135177

p^4-p is given in A138401

p^4-p^2 is given in A138402

p^4-p^3 is given in A138403

p^5-p is given in A138404

p^5-p^2 is given in A138405

p^5-p^3 is given in A138406

p^5-p^4 is given in A138407

p^6-p^2 is given in A138409

p^6-p^3 is given in A138410

p^6-p^4 is given in A138411

p^6-p^5 is given in A138412

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..200

MATHEMATICA

a = {}; Do[p = Prime[n]; AppendTo[a, p^6 - p], {n, 1, 50}]; a

PROG

(PARI) forprime(p=2, 1e3, print1(p^6-p", ")) \\ Charles R Greathouse IV, Jun 16 2011

(MAGMA) [NthPrime((n))^6 - NthPrime((n)): n in [1..30] ]; // Vincenzo Librandi, Jun 17 2011

CROSSREFS

Sequence in context: A069966 A196413 A131473 * A157499 A103428 A115504

Adjacent sequences:  A138405 A138406 A138407 * A138409 A138410 A138411

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Mar 19 2008

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.